156106161206969 has 4 divisors (see below), whose sum is σ = 162893385607296. Its totient is φ = 149318936806644.

The previous prime is 156106161206953. The next prime is 156106161207001. The reversal of 156106161206969 is 969602161601651.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 156106161206969 - 2⁴ = 156106161206953 is a prime.

It is a super-2 number, since 2×156106161206969² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (156106161206069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3393612200129 + ... + 3393612200174.

It is an arithmetic number, because the mean of its divisors is an integer number (40723346401824).

Almost surely, 2^{156106161206969} is an apocalyptic number.

It is an amenable number.

156106161206969 is a deficient number, since it is larger than the sum of its proper divisors (6787224400327).

156106161206969 is an equidigital number, since it uses as much as digits as its factorization.

156106161206969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6787224400326.

The product of its (nonzero) digits is 6298560, while the sum is 59.

The spelling of 156106161206969 in words is "one hundred fifty-six trillion, one hundred six billion, one hundred sixty-one million, two hundred six thousand, nine hundred sixty-nine".